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GlossaryElectrospray Ionization Mass Spectrometry

analyzes molecules by converting them into charged particles

Electrospray Ionization Mass Spectrometry (ESI-MS) is a technique used to analyze the mass and structure of molecules by converting them into charged particles (ions) using an electric field. This method is particularly useful for studying large biomolecules like proteins and peptides, as it allows for the gentle ionization of these complex structures without breaking them apart.

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Liquid Chromatography-Mass Spectrometry Applied to the Identification and Quantification of Animal Hair Fibers in Textile Products

research Liquid Chromatography-Mass Spectrometry Applied to the Identification and Quantification of Animal Hair Fibers in Textile Products

January 2020

Researchers developed a method to identify and measure different animal hair fibers in textiles, successfully distinguishing materials like cashmere from cheaper fibers.

research Determination of Oxymatrine in Human Plasma by HPLC-MS

January 2006

A method was created to measure oxymatrine in human blood.

research HPLC-ESI-MSn Characterization of Phenolic Compounds, Terpenoid Saponins, and Other Minor Compounds in Bituminaria Bituminosa

76 citations , February 2015 in “Industrial Crops and Products”

Researchers found over 40 compounds in Bituminaria bituminosa, including many flavonoids and some with potential for medical and hair care uses.

Ultra-Performance Liquid Chromatography with Electrospray Ionization Tandem Mass Spectrometry for the Determination of Ketoconazole in Anti-Dandruff Shampoo

research Ultra-Performance Liquid Chromatography with Electrospray Ionization Tandem Mass Spectrometry for the Determination of Ketoconazole in Anti-Dandruff Shampoo

1 citations , February 2014 in “Analytical Letters”

The method accurately measures the amount of ketoconazole in anti-dandruff shampoo and cream, and can also be used to monitor the drug in human plasma.

Finasteride Quantification in Human Plasma by High-Performance Liquid Chromatography Coupled to Electrospray Ionization Tandem Mass Spectrometry: Application to a Comparative Pharmacokinetics Study

research Finasteride Quantification in Human Plasma by High-Performance Liquid Chromatography Coupled to Electrospray Ionization Tandem Mass Spectrometry: Application to a Comparative Pharmacokinetics Study

1 citations , April 2015 in “Drug research”

New method measures finasteride in plasma, finds two formulations bioequivalent.

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community Finasteride does deplete important nuero-active steroids

in Research/Science 9 upvotes 2 years ago

Finasteride can reduce neuroactive steroids, causing side effects like depression, anxiety, and sexual dysfunction. Some users experience persistent symptoms after stopping finasteride, while others use alternative treatments like topical solutions.